SKU: 76480319898

Mastervolt Mac Plus 24/12-50 Dc-dc Converter 24v Input 50a 12v Output Czone

Sale price$232.65 Regular price$258.50
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Description

Mastervolt Mac Plus 24/12-50 Dc-dc Converter 24v Input 50a 12v Output Czonemastervolt Mac Plus 24 12 50 + Czone DC to DC Converter Model: 81205205 Fast and safe charging, even during short trips Fanless design for silent operation Suitable for flooded, Gel, AGM and Li Ion batteries (incl. LiFePO4) Even charges fully depleted batteries Engine run detection protects starter battery Adjustable current limits to meet Euro 5 6 requirements Voltage stabilization protects sensitive equipment, lights and loads Parallel operation to

mastervolt Mac Plus 24/12-50 + Czone DC to DC Converter

Model: 81205205
  • Fast and safe charging, even during short trips
  • Fanless design for silent operation
  • Suitable for flooded, Gel, AGM and Li-Ion batteries (incl. LiFePO4)
  • Even charges fully depleted batteries
  • Engine run detection protects starter battery
  • Adjustable current limits to meet Euro 5/6 requirements
  • Voltage stabilization protects sensitive equipment, lights and loads
  • Parallel operation to obtain charging capacities well over 100 Amps
  • MasterBus, CZone and NMEA 2000 compatible, for intelligent system monitoring and automation
  • Temperature compensation and voltage sense for an optimal charging result
  • E-Mark/R10 certification for mobile applications
  • Power supply mode offers stable power for sensitive loads
  • Heavy duty connections for easy installation and quick set up via DIP switches

Too often, service batteries don’t get the charge they need. This is a problem made worse by smart alternators and start/stop systems, which result in slow and insufficient charges. The Mac Plus DC-DC charger solves this problem, providing a quick, safe, and consistent charge to your service battery. And, by knowing when the engine is running and providing charge, you can be sure that the Mac Plus will never drain your starter battery.

Get peace of mind, knowing that you’ve got the best on-board. Using the proven Mastervolt 3-step+ charge algorithm, the Mac Plus delivers a quick and easy charge, even to completely flat batteries.

A robust design holds up in even the harshest conditions, with battery temperature optimized charging and high-quality aluminium housing to ensure superior protection against dust and water ingress. The power efficient design also allows the Mac Plus to operate silently and without a fan.

With a wide DC input range, the Mac Plus allows all DC sources and can charge two batteries from a single alternator or charger. It supports a full range of chemistries and battery types, including lithium. And it also functions seamlessly with modern alternators such as Euro 5 and 6, ensuring proper charging by providing constant power, even when the alternator is inactive.

Parallel configuration of up to ten units will provide over 100 amperes. And advanced high-frequency technology with modern microprocessors ensures minimal power loss when switching from 12V to 24V and vice versa.

Analog voltage sense ports are also available to compensate for voltage drop and maintain proper charging.

Compatibility with CZone®, NMEA 2000® and MasterBus delivers truly superior monitoring and control, and ensures Mac Plus integrates easily into complete systems. Achieve the best performance possible via various controllers and high quality MOSFETs. And configure the Mac Plus with ease via MasterAdjust, the CZone configuration tool, or even via the on-board DIP switches.

Specifications
Specifications battery charger
Battery temperature sensor yes, included
Battery voltage sense Yes
General specifications
Status indicator yes, 3-color LED
Communication protocol MasterBus, CZone & NMEA 2000
Output voltage 10-15 V
Nominal output voltage 12 v
Output voltage stabilisation 2 % at extremes of temperatures, load and input
Output voltage ripple (peak peak) max. 1 %
Max. output power 750 W
Nominal output power 710 W
Max. output current 50 A
Output charge current (3-step mode) 50 A
Nominal input voltage 24 V
Input voltage range 19-30 V
Max. input current 30 A
Galvanic isolation no
Voltage limited yes
Efficiency > 95 % (at nom. input voltage, full load); peak 97
Parallel configuration yes
Alarm contact yes, through MasterBus
MasterBus powering no
Engine run signal input yes (active high/active low)
DIP switches yes, for basic setup
Dimensions, hxwxd 10.0 x 6.5 x 2.6 inch
Weight 4.4 lb
Technical specifications
No-load consumption < 2 mA
Charge characteristic 3-traps+
Battery types flooded, Gel, AGM, spiral, Lithium Ion, traction, user defined
3-Step charge option yes (DIP switch settings)
DC consumption < 5 mA
Connections 3 x M8 terminal for cable diameters of 10-50 mm , (positive input, positive output, joint negative connection) 8-pole screw connection for cable diameters of 0.75-1.5 mm (remote on/off, temperature sensor, voltage measurement
Temperature range (ambient temp.) -25 °C to 60 °C; derating > 40
Cooling natural cooling
Protection degree IP23
Protections overload, over temperature, DC short circuit, reversed polarity (fuse)
MasterBus compatible yes
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 76480319898

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Aury
Charlottesville, US
★★★★★ 5
Easy and convenient to use
Love my product is easy to use, I truly recommend 100% price and quality.
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Reviewed in the United States on May 26, 2026
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Librax2
Lake Worth, US
★★★★★ 5
Knowledgeable and helpful
I purchased a new Sony TV and was having a lot of trouble coordinating the settings. After struggling for 1.5 days, I gave up and called the number for Asurion. There was a reasonable wait while I found the "right" tech person, but it was worthwhile. He was knowledgeable and patient. He gave me confidence and we worked together to solve all my issues. At the end he became pressuring, wanted me to buy a monthly gig with them.
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Reviewed in the United States on January 18, 2026
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Bob P.
Fort Morgan, US
★★★★★ 5
They honor their product.
I've been dealing with Asurion for over a decade now. They're my first choice when making a purchase that I know I'm going to have around for a while. Asurion backs its product to the hilt. I purchased a mid-range priced printer about 2 1/2 yrs. ago along with a 3yr. warranty from Asurion to cover any unexpected 'surprises' that might happen to pop up. Fast forward to approximately 3 months ago, when my printer decided that it wanted to start acting up. The print quality was taking a nose dive; colors were beginning to drop out, showing streaks and fading. Clarity and sharpness are virtually gone. I contacted Asurion about the problem. I couldn't have found a nicer rep to deal with. She said not to worry and within minutes had the situation under control. She sent me all the information and pre-paid postage on how to pack and have my unit shipped to their repair facilities. In less than a week my unit was repaired and returned to me. However, this is not the end of the story. Within a few days, my unit was acting up again and doing the same thing it went in for. Again, I got hold of Asurion (Same great service, different girl). We repeated the same process as before, but this time the unit was there about a week longer. When I finally received the unit, I immediately hooked it up and put it through the numbers, testing everything. To be blunt, the print quality was worse than the 1st time it went in for service. After voicing my displeasure (basically having a hissy-fit), I regained my composure and contacted Asurion, again! This time they told me that since their techs were unable to resolve the issue and to not have me waiting any longer than I have already, they're going ahead and refunding the total amount I paid for the unit. Even though it was somewhat of a Pain-in-the-ASS to go through, I couldn't be happier. Within 48 hrs. I had my refund in hand and I turned around and purchased a replacement Printer. Moral to the story, have a contingency plan, Just in case. Check out Asurion: Great customer service - Nice people, very competitive pricing for their products and they honor their word by their actions. Highly recommend Asurion to anyone.
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Reviewed in the United States on May 27, 2024
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Demi
Natrona Heights, US
★★★★★ 4
Protection plan
Good
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Reviewed in the United States on March 30, 2026
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steve conley
Louisville, US
★★★★★ 5
never give up
Product was as advertised even though item was over a year old, I was taken care of.
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Reviewed in the United States on June 12, 2026

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